java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/abstractInterpretation/bug-old-in-init.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:13:59,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:13:59,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:13:59,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:13:59,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:13:59,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:13:59,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:13:59,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:13:59,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:13:59,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:13:59,805 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:13:59,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:13:59,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:13:59,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:13:59,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:13:59,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:13:59,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:13:59,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:13:59,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:13:59,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:13:59,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:13:59,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:13:59,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:13:59,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:13:59,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:13:59,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:13:59,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:13:59,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:13:59,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:13:59,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:13:59,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:13:59,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:13:59,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:13:59,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:13:59,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:13:59,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:13:59,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:13:59,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:13:59,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:13:59,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:13:59,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:13:59,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:13:59,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:13:59,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:13:59,890 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:13:59,891 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:13:59,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/bug-old-in-init.bpl [2019-08-05 11:13:59,892 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/bug-old-in-init.bpl' [2019-08-05 11:13:59,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:13:59,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:13:59,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:59,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:13:59,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:13:59,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:13:59,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:13:59,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:13:59,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:13:59,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... [2019-08-05 11:13:59,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:13:59,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:13:59,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:13:59,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:13:59,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:14:00,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:14:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:14:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:14:00,187 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:14:00,187 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:14:00,188 INFO L202 PluginConnector]: Adding new model bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:00 BoogieIcfgContainer [2019-08-05 11:14:00,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:14:00,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:14:00,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:14:00,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:14:00,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:13:59" (1/2) ... [2019-08-05 11:14:00,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ec4e27 and model type bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:14:00, skipping insertion in model container [2019-08-05 11:14:00,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:14:00" (2/2) ... [2019-08-05 11:14:00,197 INFO L109 eAbstractionObserver]: Analyzing ICFG bug-old-in-init.bpl [2019-08-05 11:14:00,206 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:14:00,214 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:14:00,228 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:14:00,252 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:14:00,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:14:00,253 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:14:00,253 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:14:00,253 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:14:00,253 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:14:00,254 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:14:00,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:14:00,254 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:14:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2019-08-05 11:14:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 11:14:00,276 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:14:00,277 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 11:14:00,280 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:14:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:14:00,286 INFO L82 PathProgramCache]: Analyzing trace with hash 31, now seen corresponding path program 1 times [2019-08-05 11:14:00,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:14:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:14:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:14:00,370 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:14:00,387 INFO L202 PluginConnector]: Adding new model bug-old-in-init.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:14:00 BoogieIcfgContainer [2019-08-05 11:14:00,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:14:00,390 INFO L168 Benchmark]: Toolchain (without parser) took 467.54 ms. Allocated memory is still 134.7 MB. Free memory was 112.5 MB in the beginning and 90.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,392 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 113.6 MB in the beginning and 113.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.92 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,394 INFO L168 Benchmark]: Boogie Preprocessor took 17.96 ms. Allocated memory is still 134.7 MB. Free memory was 110.6 MB in the beginning and 109.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,396 INFO L168 Benchmark]: RCFGBuilder took 212.81 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 101.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,397 INFO L168 Benchmark]: TraceAbstraction took 197.30 ms. Allocated memory is still 134.7 MB. Free memory was 101.6 MB in the beginning and 90.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:14:00,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 113.6 MB in the beginning and 113.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.92 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.96 ms. Allocated memory is still 134.7 MB. Free memory was 110.6 MB in the beginning and 109.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.81 ms. Allocated memory is still 134.7 MB. Free memory was 109.5 MB in the beginning and 101.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197.30 ms. Allocated memory is still 134.7 MB. Free memory was 101.6 MB in the beginning and 90.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: assertion can be violated assertion can be violated We found a FailurePath: [L11] assert old(x) == x; VAL [old(x)=0, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...